#top_self {
	width: 700px;
	height: 153px;
	background-color: aqua;
	background-image: url(../imgs/banner.jpg);
	background-repeat: no-repeat;
}

#top_self ul li {
	width: 100px;
	height: 33px;
	background-image: url(../imgs/button1.jpg);
	float: left;
	text-align: center;
	margin-top: 120px;
	line-height: 30px;

}

#top_self ul li:hover {
	background-image: url(../imgs/button1_bg.jpg);


}
